ref: b3a8a63686f2447dea9c135ab863cee5364b3a07
dir: /libstd/sljoin.myr/
use "alloc.use" use "slcp.use" pkg std = generic sljoin : (dst : @a[:], src : @a[:] -> @a[:]) ;; generic sljoin = {dst, src var len len = dst.len dst = slgrow(dst, len + src.len) slcp(dst[len:], src) -> dst }